Full-size keyboard provides comfort and durability. Enhanced low-profile keycap structure for low-noise comfort. One Touch Sleep Mode Genius Model: k639 Product Name: KB-06 xe MPN: 3130070708100 UPC Code: 091163211402 new in box Key Features INPUT DEVICE: Keyboard Connectivity Cable: Interface: USB Platform: PC Other Features Mouse Buttons: 1 Button Keyboard Layout: QWERTY (Standard) System Operating Systems Supported: Microsoft Windows 2000, Microsoft Windows 98, Microsoft Windows 98 SE, Microsoft Windows NT, Microsoft Windows Vista, Microsoft Windows XP Dimensions Depth: 14.6 cm Height: 2, 49 cm Width: 44.5 cm Miscellaneous Ergonomic Fit: Ergonomic Keyboard Design Exterior Color: Black